Display screen or portion thereof with graphical user interface



FIG. 1 is a front view of a display screen or portion thereof with a graphical user interface; and,

FIG. 2 is a front view of the display screen with graphical user interface of FIG. 1, but shown on a coffee maker.

The broken line showing of a portion of a display screen, a portion of the graphical user interface, and the environment of a coffee maker, form no part of the claimed design. 

CLAIM The ornamental design for a display screen or portion thereof with graphical user interface, as shown and described. 